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 * are permitted provided that the following conditions are met:
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 * and the following disclaimer.
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 * STMicroelectronics company nor the names of its contributors may be used to endorse or
 * promote products derived from this software without specific prior written permission.
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 * - All of the icons, pictures, logos and other images that are provided with the source code
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 * shall not be redistributed to any third party or modified in any way.
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package com.st.BlueMS.demos.ExtConfig

import android.content.ContentResolver
import android.net.Uri
import android.util.Log
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
import com.st.BlueSTSDK.Features.ExtConfiguration.FeatureExtConfiguration
import com.st.BlueSTSDK.Features.highSpeedDataLog.communication.DeviceModel.Sensor
import com.st.BlueSTSDK.Features.highSpeedDataLog.communication.DeviceModel.SubSensorDescriptor
import com.st.BlueSTSDK.Features.highSpeedDataLog.communication.HSDSetMLCSensorCmd
import com.st.BlueSTSDK.Features.highSpeedDataLog.communication.MLCConfigParam
import com.st.BlueSTSDK.Node
import com.st.STWINBoard_Gui.IOConfError
import java.io.FileNotFoundException
import java.io.IOError

class ExtConfigurationMLCConfigViewModel : ViewModel(){

    private val _error = MutableLiveData<IOConfError>(null)
    val error: LiveData<IOConfError?>
        get() = _error

    private val _mlcLoaded = MutableLiveData<Boolean>(false)
    val mcLoaded: LiveData<Boolean>
        get() =_mlcLoaded

    private var mMLCsId = -1
    private var mMLCssId = -1

    fun openLoadMLCConf(sensor: Sensor, subSensor: SubSensorDescriptor){
        Log.d("ConfigVM","onSubSensorEnableChange ${sensor.id} -> ${subSensor.id} -> openMLCConf")
        mMLCsId = sensor.id
        mMLCssId = subSensor.id
    }

    fun loadUCFFromFile(node: Node?,file: Uri?, contentResolver: ContentResolver){
        if(file == null){
            _error.postValue(IOConfError.InvalidFile)
            return
        }

        try {
            _mlcLoaded.postValue(false)
            val stream = contentResolver.openInputStream(file)
            if(stream==null){
                _error.postValue(IOConfError.ImpossibleReadFile)
                return
            }
            val fullSize = stream.readBytes().toString(Charsets.UTF_8)
            stream.close()
            val paramList = listOf(MLCConfigParam.fromUCFString(mMLCssId,fullSize))
            val mFeature = node?.getFeature(FeatureExtConfiguration::class.java)
            val command = HSDSetMLCSensorCmd(mMLCsId,paramList)
            mFeature?.writeCommandSetArgumentJSON(FeatureExtConfiguration.SET_SENSORS,command,
            Runnable {
                Log.d("MLC","LoadComplete")
                _mlcLoaded.postValue(true)}
            )
        }catch (e: FileNotFoundException){
            e.printStackTrace()
            _error.postValue(IOConfError.FileNotFound)
        }catch (e: IOError){
            e.printStackTrace()
            _error.postValue(IOConfError.ImpossibleReadFile)
        }
    }

    fun mcLoadedServed() {
        _mlcLoaded.postValue(false)
    }
}